CMS offers files from aggregate data to individual person level data. This article describes the differences between the aggregate, public use files, the limited data sets,…
This article describes the Federal Regulations that govern the release of CMS data for research.
The purpose of this article is to identify 1) common strengths of Medicare and Medicaid administrative data and 2) broad limitations for researchers to consider when…
This article provides guidance on how to identify hospital emergency room claims from the Medicare files.
Providers that bill Medicare use codes for patient diagnoses and codes for care, equipment, and medications provided. This articles provides resources to identify the codes…
To describe the CMS cell size suppression policy and provide examples of common scenarios and possible options.
Requirements for Institutional Review Board (IRB) Review and HIPAA Waiver Documentation for RIF DUA Request Submissions
CMS must ensure that all research requests for identifiable (RIF) data have IRB documentation to satisfy the requirements of the Common Rule and the Health Insurance Portability and Accountability Act (HIPAA). This article describes the requirements…
Researchers who request the Minimum Data Set (MDS) from CMS will need to determine whether they would like data based on Target Date or Submission Date. This article provides definitions for Target and Submission dates and examples for when each selection is useful.
A number of CMS Limited Data Set (LDS) files are released first as a Proposed Rule file and then as a Final Rule file. This article provides a brief description of the differences between those two files.
This article outlines the availability of date of service information for the Limited Data Set (LDS) Medicare claims files.
Doctoral students may request CMS data for their dissertation project. Students should consider several factors when deciding which type of data to use. This article presents considerations and resources for students interested to request CMS Research identifiable data.
The purpose of this article is to provide an overview of the Centers for Medicare & Medicaid Services' (CMS') Price (Payment) Standardization process, as well as provide methodological documentation that explains how the standardized claim payment amounts for Medicare Part A and Part B claims are calculated.